Briley Shotgun Magazine Extension 12 Gauge (FITS: Beretta Auto / Benelli Pump / Franchi 912 Variomax / Stoeger) +4 Rounds 12 gauge Matte Black without Sling Swivel - BRI-TSPA-43MAT

This extension allows you to increase the ammunition capacity of the shotgun. The extension is made of tough 6061 aluminum. This allows the tube to have a large wall thickness to improve rigidity without compromising overall weight. The tube screws down on the magazine and locks the fore end in place. The extension is supplied with a magazine tube spring. 

Fits: 
Benelli Nova and Super Nova
Beretta 1301 Comp, 1301 Competition Pro, A300 Xtrema, A350, A400 Extreme Unico, Extreme Plus, Lite, Extrema I & II, TX4 
Franchi 912 Variomax
Stoeger 3500, 3000 , M3K

Does Not Fit: 

1301 Tactical

A300 Ultima Comp

A300 Ultima Patrol

A300 Ultima Snow Goose

Overall Length
+2 shots - 7.000"
+4 shots - 11.375"
+6 shots - 13.500"

Outer Diameter 1.2"